Neerslag — 2026
| Month | Heemstede | Bloemendaal | Difference |
|---|---|---|---|
| Jan | – | – | – |
| Feb | – | – | – |
| Mar | 1.6 mm | 0.6 mm | +1.0 |
| Apr | 8.5 mm | 3.9 mm | +4.6 |
| May | 39.4 mm | 41.4 mm | -2.0 |
| Jun | 73 mm | 76.9 mm | -3.9 |
| Jul | 14.6 mm | 17.7 mm | -3.1 |
| Aug |
| 81 mm |
| 110 mm |
| -29.0 |
| Sep | 93.4 mm | 113.5 mm | -20.1 |
| Oct | 123.9 mm | 161.5 mm | -37.6 |
| Nov | – | – | – |
| Dec | – | – | – |